Constant Sensor Mode Operation - Newport LDC-3706 Series User Manual

Constant Sensor Mode Operation

1. Plug the LDC-3706 Laser Controller into an AC power source supplying the correct mains
voltage and frequency for the instrument (refer to the rear panel for the correct ratings)
2. Turn on the LDC-3706; the TEC output will be disabled at power up and the unit will
automatically configure its parameters to the state which existed when the power was last
shut off
3. Press the SELECT soft button in the TEC MODE section of the front panel until the SENSOR
LED is selected
4. Press the TEC button in the PARAMETER section of the front panel to enable the menu
structure and adjust the applicable limits, sensor type, sensor calibration constants, and
external fan control. Use the SET button to select the parameter to adjust and then use the
ADJUST KNOB to change the parameter to the desired value. Clockwise rotation will
increase the parameter and counter-clockwise rotation will decrease the parameter. Allow
the parameter adjustment to time out (three seconds) or press the SET button to save the
new parameter in non-volatile memory
5. Adjust the sensor value setpoint by enabling the TEC adjustment mode by pressing the TEC
button in the ADJUST section of the front panel and rotate the ADJUST KNOB to the desired
value
6. The user can display measured voltage, current, or temperature or the sensor setpoint on the
TEC side (left) display by pressing the LEFT (left) and RIGHT (left) display buttons
7. Enable the TEC output of the LDC-3706 by pressing the ON soft button (left) in the TEC
MODE section of the front panel. This button has a toggling action so pressing this button
once more will disable the TEC output.
December 2019 37 LDC-3706 Series Laser Controller